63064347391 has 8 divisors (see below), whose sum is σ = 64275397344. Its totient is φ = 61854081120.

The previous prime is 63064347373. The next prime is 63064347413. The reversal of 63064347391 is 19374346036.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63064347391 - 2⁷ = 63064347263 is a prime.

It is a super-2 number, since 2×63064347391² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63064347091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32131 + ... + 356596.

It is an arithmetic number, because the mean of its divisors is an integer number (8034424668).

Almost surely, 2^63064347391 is an apocalyptic number.

63064347391 is a deficient number, since it is larger than the sum of its proper divisors (1211049953).

63064347391 is a wasteful number, since it uses less digits than its factorization.

63064347391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391841.

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 63064347391 in words is "sixty-three billion, sixty-four million, three hundred forty-seven thousand, three hundred ninety-one".